Granted Patent
Utility
US 4,895,000 · App. 07/223,273
Air conditioning system for vehicles
Inventor:
Tadahiro Takahashi
Patented Case
View Patent ↗
Granted: Jan 23, 1990
Filed: Jul 22, 1988
Inventor
Tadahiro Takahashi
Assignee (at issue)
Diesel Kiki Co., Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.